Home / 191,232,523.16-286,255,003.29-103,576,328.72

Finding the Fourth Proportional to 191,232,523.16, 286,255,003.29 and 103,576,328.72

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Solution

The fourth proportional to 191,232,523.16, 286,255,003.29 and 103,576,328.72 is: 155,042,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,232,523.16 : 286,255,003.29 = 103,576,328.72 : x
  2. Step 2: Convert to fraction form
    191,232,523.16/286,255,003.29 = 103,576,328.72/x
  3. Step 3: Cross multiply
    191,232,523.16x = 286,255,003.29 × 103,576,328.72
  4. Step 4: Simplify right side
    191,232,523.16x = 29,649,242,317,078,448
  5. Step 5: Solve for x
    x = 29,649,242,317,078,448/191,232,523.16
  6. Step 6: Final answer
    x = 155,042,886.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.